Computer Networks Chapter 8: Transport Layer
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What is the primary function of the transport layer in end-to-end communication?

  • Providing error-free transmission of data
  • Routing data packets between networks
  • Assigning IP addresses to devices
  • Managing the transportation of data between applications (correct)

    • Which of the following is a characteristic of the TCP protocol?

  • No guarantee of data delivery
  • Connectionless communication
  • No error-checking mechanism
  • Use of port numbers for communication (correct)

    • What is the primary purpose of using port numbers in TCP and UDP?

  • To differentiate between applications (correct)
  • To regulate the amount of data transmitted
  • To number and sequence segments
  • To establish a connection between the source and destination

    • What is the purpose of TCP session establishment and termination processes?

    <p>To facilitate reliable communication</p> Signup and view all the answers

    Which protocol does not guarantee the delivery of data?

    <p>UDP</p> Signup and view all the answers

    What is the primary purpose of UDP client processes?

    <p>To establish communication with a server</p> Signup and view all the answers

    When is it best to use UDP transmissions?

    <p>When speed is more important than reliability</p> Signup and view all the answers

    What is the purpose of the three-way handshake in TCP?

    <p>To establish a connection between the source and destination</p> Signup and view all the answers

    Which application uses UDP?

    <p>Video Streaming</p> Signup and view all the answers

    What is the main difference between TCP and UDP?

    <p>TCP is connection-oriented while UDP is connectionless</p> Signup and view all the answers

    What is the purpose of Netstat?

    <p>To examine TCP connections that are open and running on a networked host</p> Signup and view all the answers

    What is the primary responsibility of transport layer protocols in the TCP/IP model?

    <p>Tracking the individual communication between applications on the source and destination hosts</p> Signup and view all the answers

    What is the purpose of segmenting data in the transport layer?

    <p>To make data manageable and reassemble it at the destination</p> Signup and view all the answers

    What is multiplexing in the transport layer?

    <p>Enabling many different communications from many different users on the same network at the same time</p> Signup and view all the answers

    What is the main difference between TCP and UDP?

    <p>TCP provides reliable delivery, while UDP provides basic functions for delivery with no reliability</p> Signup and view all the answers

    What is the primary purpose of the first step in the TCP three-way handshake?

    <p>To verify the destination device's active service and port number</p> Signup and view all the answers

    What is the trade-off between TCP and UDP?

    <p>Reliability vs network overhead</p> Signup and view all the answers

    What is the purpose of the sequence number in TCP reliability?

    <p>To reassemble segments into original order</p> Signup and view all the answers

    Why does TCP make larger demands on the network?

    <p>Because it provides reliable delivery ensuring that all of the data arrives at the destination</p> Signup and view all the answers

    What determines the amount of data that can be transmitted before an acknowledgement is required?

    <p>Window size</p> Signup and view all the answers

    What is the purpose of the acknowledgement number in TCP reliability?

    <p>To confirm receipt of data</p> Signup and view all the answers

    What happens in the second step of the TCP three-way handshake?

    <p>The server requests a server-to-client communication session</p> Signup and view all the answers

    What is the primary difference between TCP and UDP?

    <p>TCP uses a three-way handshake, while UDP does not</p> Signup and view all the answers

    What is the primary function of the Transport layer?

    <p>To provide multiplexing, segmentation and reassembly, and error checking</p> Signup and view all the answers

    Which protocol is commonly used by applications that cannot tolerate delay?

    <p>UDP</p> Signup and view all the answers

    What is the purpose of port numbers in the Transport layer?

    <p>To provide a 'tunnel' for data to reach the appropriate application</p> Signup and view all the answers

    Which of the following applications typically uses TCP?

    <p>SMTP</p> Signup and view all the answers

    What is the primary difference between TCP and UDP?

    <p>TCP is more reliable than UDP</p> Signup and view all the answers

    Which protocol is used by applications that can tolerate small loss of data?

    <p>UDP</p> Signup and view all the answers

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